*{
    padding: 0;
    margin: 0;
}
a{
    text-decoration-style: none;
    color: black;
}
.clear{
    clear: both;
}
body{
    background: url(../img/body-bg.jpg);
    background-size: 100%;
    color: white;
}
#demo{
    width: 980px;
    margin: 0 auto;
}
.header{
    position: relative;
}
.header .title{    
    margin: 20px 0;
}
.header .title .deo{
    margin-bottom: 10px;
}
.header .title .text{
    margin-top: 0;
    font-size: 14px;
}  
.header nav{      
    height: 40px;
    background: linear-gradient(to right,#6a6a6a, #b9b9b9);
    border-radius: 5px;

}
.header nav ul{
    font-size: 14px;
    line-height: 40px;
}
.header nav ul li{
    list-style: none;
    float: left;
}
.header nav ul li a{
    padding: 0 10px;
    text-decoration: none;
    color: white;
}
.header  nav ul li:hover{
    background-color: rgba(0,0,0,0.6);
}       
.header  form{       
    position: absolute;
    bottom: 5px;
    right: 10px;
}
.header  form input{
    padding-left: 10px;
    height: 25px;
    border: 1px white solid;
    border-radius: 5px;
    background-color: white;
}      
.content{  
    margin-top: 20px;
    float: left;
}
.content .left_content{     
    width: 600px;
    padding: 20px;
    background-color: white;
    border-radius: 5px;
}
.content_title{
    color: black;
}
.content_title p{
    margin: 10px 0;
    font-size: 12px;
}
.content_title p a{
    text-decoration: none;
}
.content_img{
    margin-bottom: 20px;
}
.content_text{
    font-size: 14px;
    color: #666;
}   
.right_content{     
    width: 280px;
    float: right;
    margin-top: 20px;
}
.content_noe{
    background-color: white;
    border-radius: 5px;
    padding: 10px 20px;
}
.content_noe h3{
    color: black;
    margin-bottom: 10px;
}
.content_noe ul li{
    padding: 10px 0;
    list-style: none;
    border-top: 1px #ccc solid;
    color: #666;
}
.content_noe ul li a{
    padding-right: 5px;
    text-decoration: none;
}
.content_noe ul li a:hover{
    text-decoration: underline;
}

.content_tow{
    background-color: white;
    border-radius: 5px;
    margin-right: 0;
    margin-top: 30px;
}
.content_tow h3{
    padding: 10px 20px;
    color: black;
}       
.footter{       
    margin-top: 20px;
    margin-bottom: 20px;
    font-size: 12px;
}
.footter p a{
    text-decoration: none;
    color: white;
}     
@media (max-width:768px){
    .clear{
        clear: both;
    }
    #demo{
        width: 95%;
		margin: 0 auto;
    }
    .header{
        position: relative;
    }
    form{
        position: absolute;
        top: 10px;
        right: 0;
    }
    form input{
        width: 100px;
    }
    .content {
        padding: 10px;
        background-color: white;
        border-radius: 5px;
    }
    .content .left_content{
        padding: 0;
        width: 100%;
    }
    .left_content img{
        max-width: 100%;
    }

    .right_content{
        width: 100%;
        margin: 10px auto;
 
    }
    .content_noe{
        padding: 20px;
    }
    .content_tow{
        margin-top: 10px;
    }
    .footter{
        margin-top: 10px;
        margin-bottom: 20px;
        font-size: 12px;
    }
    .footter p a{
        text-decoration: none;
        color: white;
    }
}   